import { asyncRouterMap, constantRouterMap } from '@/router'

/**
 * 通过meta.role判断是否与当前用户权限匹配
 * @param roles
 * @param route
 */
// function hasPermission(roles, route) {
//   if (route.meta && route.meta.roles) {
//     return roles.some(role => route.meta.roles.includes(role))
//   } else {
//     return true
//   }
// }

/**
 * 递归过滤异步路由表，返回符合用户角色权限的路由表
 * @param routes asyncRouterMap
 * @param roles
 */
// function filterAsyncRouter(routes, roles) {
//   const res = []
//
//   routes.forEach(route => {
//     const tmp = { ...route }
//     if (hasPermission(roles, tmp)) {
//       if (tmp.children) {
//         tmp.children = filterAsyncRouter(tmp.children, roles)
//       }
//       res.push(tmp)
//     }
//   })
//
//   return res
// }

const permission = {
  state: {
    routers: constantRouterMap,
    addRouters: []
  },
  mutations: {
    SET_ROUTERS: (state, routers) => {
      state.addRouters = routers
      state.routers = constantRouterMap.concat(routers)
    }
  },
  actions: {
    GenerateRoutes({ commit }, data) {
      return new Promise(resolve => {
        // const { roles } = data
        // let accessedRouters
        // todo
        // 权限管理先注释，后期考虑放开，现在全部admin最高权限
        // if (roles.indexOf('admin') >= 0) {
        //   accessedRouters = asyncRouterMap
        // } else {
        //   accessedRouters = filterAsyncRouter(asyncRouterMap, roles)
        // }
        const accessedRouters = asyncRouterMap
        commit('SET_ROUTERS', accessedRouters)
        resolve()
      })
    }
  }
}

export default permission
